Inventor
John E. Bohan, Jr.
Inventor
Minneapolis, MN, US
Overview
Patents· 30 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F23Nprimary
F23NRegulating or controlling combustion25%
F23QIgnition8%
F24DDomestic- or space-heating systems, e.g. central heating systems8%
G05DSystems for controlling or regulating non-electric variables8%
F24HFluid heaters, e.g. water or air heaters, having heat-generating means, e.g. heat pumps, in general6%
G01KMeasuring temperature6%
Y10TTechnical subjects covered by former us classification6%
F24FAir-conditioning4%
H05KPrinted circuits4%
G01FMeasuring volume, volume flow, mass flow or liquid level2%
PatentTitleYear
9,829,365Tactile feedback techniques to limit temperature runaway in boiler systems20179,442,499'Controller for temperature regulation system'20169,279,590'Warm weather boiler shutdown'20169,063,016'Fail safe multi-sensor component'20158,847,553'Mobile power systems for high power applications'20148,417,482'Self contained boiler sensor'20138,108,075'Failsafe HVAC control upgrades'20127,878,795'Burner ignition controller'20117,473,868'Fail safe HVAC temperature and medium presence sensor'20096,571,817'Pressure proving gas valve'20036,261,087'Pilot flame powered burner controller with remote control operation'20015,472,336'Flame rectification sensor employing pulsed excitation'19955,435,717'Burner control system with continuous check of hot surface ignitor during run cycle'19955,340,019'Electronic aquastat in immersible capsule'19944,845,435'Sensor fault detector'19894,789,329'Thermostatically operated fuel valve control circuit'19884,770,629'Status indicator for self-energizing burner control system'19884,734,658'Low voltage driven oscillator circuit'19884,696,639'Self-energizing burner control system for a fuel burner'19874,641,043'Printed wiring board means with isolated voltage source means'19874,631,626'Temperature controller with temperature limiting sensor'19864,598,333'Printed wiring board means with integral dew sensor'19864,560,343'Functional check for a hot surface ignitor element'19854,546,918'Control device with positive temperature coefficient impedance for limiting dissipated power'19854,527,085'High voltage spark electrode structure'19854,432,722'Interrupted power hot wire gas ignition control system'19844,375,951'Bilevel flame signal sensing circuit'19834,373,898'Timer and control circuit'19834,373,201'Fail safe digital timer'19834,329,628'Relaxation oscillator type spark generator'1982Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1982–1995Patents assigned to HONEYWELL INC (19)· patent assignee history
1982–1989Based in Minneapolis, MN, US· patent location history
1994–2003Based in Edina, MN, US· patent location history
2009–2017Patents assigned to BECKETT R W CORP (9)· patent assignee history
2009–2017Based in Avon Lake, OH, US· patent location history
2012–2017Patents assigned to BOHAN JR JOHN E (3)· patent assignee history
2013–2016Patents assigned to BOHAN JOHN (4)· patent assignee history
2013–2016Patents assigned to FILDES CHRISTOPHER (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HONEYWELL INC | 19 | 1982–1995 |
| BECKETT R W CORP | 9 | 2009–2017 |
| BOHAN JOHNself | 4 | 2013–2016 |
| BOHAN JR JOHN Eself | 3 | 2012–2017 |
| FILDES CHRISTOPHER | 3 | 2013–2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| Minneapolis, Minnesota, US | 16 | 1982–1989 |
| Avon Lake, OH, US | 9 | 2009–2017 |
| Edina, Minnesota, US | 5 | 1994–2003 |